Pupil-trained teacher ratio in upper secondary education in ALECSO: Member Countries

ALECSO: Member Countries: Pupil-trained teacher ratio in upper secondary education was 18.02 headcount basis in 2024. ▲ Rising

Latest (2024)
18.02 headcount basis
Change on year
up 2.3%
Rank
96th
of 150 groups
All-time high
18.02 headcount basis
in 2024
All-time low
14.66 headcount basis
in 2016
Years of data
10
2015–2024

Pupil-trained teacher ratio in upper secondary education in ALECSO: Member Countries, 2015–2024

051015202015201920242015: 15 headcount basis2016: 14.7 headcount basis2017: 15.1 headcount basis2018: 14.9 headcount basis2019: 15.4 headcount basis2020: 15.9 headcount basis2021: 16.2 headcount basis2022: 16.8 headcount basis2023: 17.6 headcount basis2024: 18 headcount basis

Source: UNESCO Institute for Statistics. Measured in headcount basis.

Analysis

The most recent figure for pupil-trained teacher ratio in upper secondary education in ALECSO: Member Countries is 18.02 headcount basis, measured in 2024. That is the highest value across all 10 years on record.

That represents a change of up 2.3% on the previous year and up 20.0% over ten years.

Over the whole period, pupil-trained teacher ratio in upper secondary education in ALECSO: Member Countries peaked at 18.02 headcount basis in 2024 and was at its lowest, 14.66 headcount basis, in 2016.

That places ALECSO: Member Countries 96th out of 150 groups with data for 2024, putting it in the middle of the range.

Pupil-trained teacher ratio in upper secondary education in ALECSO: Member Countries, year by year

Annual values for Pupil-trained teacher ratio in upper secondary education (headcount basis) in ALECSO: Member Countries, 2015 to 2024.
Year headcount basis Change
2015 15.02 headcount basis
2016 14.66 headcount basis -2.4%
2017 15.12 headcount basis +3.1%
2018 14.92 headcount basis -1.3%
2019 15.37 headcount basis +3.1%
2020 15.91 headcount basis +3.5%
2021 16.16 headcount basis +1.6%
2022 16.81 headcount basis +4.0%
2023 17.62 headcount basis +4.8%
2024 18.02 headcount basis +2.3%

Averages by decade

DecadeAverage LowestHighest Years
2010s 15.02 headcount basis 14.66 headcount basis 15.37 headcount basis 5
2020s 16.9 headcount basis 15.91 headcount basis 18.02 headcount basis 5

More education data for ALECSO: Member Countries

All data for ALECSO: Member Countries →

Frequently asked questions

What is pupil-trained teacher ratio in upper secondary education in ALECSO: Member Countries?
Pupil-trained teacher ratio in upper secondary education in ALECSO: Member Countries was 18.02 headcount basis in 2024, according to UNESCO Institute for Statistics.
What is the highest pupil-trained teacher ratio in upper secondary education recorded in ALECSO: Member Countries?
The highest recorded value was 18.02 headcount basis in 2024.
What is the lowest pupil-trained teacher ratio in upper secondary education recorded in ALECSO: Member Countries?
The lowest recorded value was 14.66 headcount basis in 2016.
How does ALECSO: Member Countries rank for pupil-trained teacher ratio in upper secondary education?
ALECSO: Member Countries ranks 96th out of 150 groups with data for 2024.
Is pupil-trained teacher ratio in upper secondary education rising or falling in ALECSO: Member Countries?
Over the last ten years it is up 20.0%. The long-run trend across the full record is rising.
Where does this ALECSO: Member Countries data come from?
The figures come from UNESCO Institute for Statistics, published as part of Pupil-trained teacher ratio in upper secondary education (headcount basis). Statizoid updates them automatically from the source API.

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Pupil-trained teacher ratio in upper secondary education in ALECSO: Member Countries. Statizoid, drawing on UNESCO Institute for Statistics. Retrieved 26 August 2026, from https://education.statizoid.com/stat/pupil-trained-teacher-ratio-in-upper-secondary-education-headcount-basis-2/alecso-member-countries/

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About this data

Indicator
Pupil-trained teacher ratio in upper secondary education (headcount basis)
Unit
headcount basis
Source
UNESCO Institute for Statistics
Licence
CC BY-SA 3.0 IGO (UNESCO Institute for Statistics)
Coverage
227 places, 2,667 data points, 1998–2025
Last refreshed

February 2026 Data Release